forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			79 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 %s -emit-llvm -o %t -fblocks
 | |
| // RUN: grep "_Block_object_dispose" %t | count 17
 | |
| // RUN: grep "__copy_helper_block_" %t | count 14
 | |
| // RUN: grep "__destroy_helper_block_" %t | count 14
 | |
| // RUN: grep "__Block_byref_object_copy_" %t | count 2
 | |
| // RUN: grep "__Block_byref_object_dispose_" %t | count 2
 | |
| // RUN: grep "i32 135)" %t | count 2
 | |
| // RUN: grep "_Block_object_assign" %t | count 10
 | |
| 
 | |
| int printf(const char *, ...);
 | |
| 
 | |
| void test1() {
 | |
|   __block int a;
 | |
|   int b=2;
 | |
|   a=1;
 | |
|   printf("a is %d, b is %d\n", a, b);
 | |
|   ^{ a = 10; printf("a is %d, b is %d\n", a, b); }(); // needs copy/dispose
 | |
|   printf("a is %d, b is %d\n", a, b);
 | |
|   a = 1;
 | |
|   printf("a is %d, b is %d\n", a, b);
 | |
| }
 | |
| 
 | |
| void test2() {
 | |
|   __block int a;
 | |
|   a=1;
 | |
|   printf("a is %d\n", a);
 | |
|   ^{ // needs copy/dispose
 | |
|     ^{ // needs copy/dispose
 | |
|       a = 10;
 | |
|     }();
 | |
|   }();
 | |
|   printf("a is %d\n", a);
 | |
|   a = 1;
 | |
|   printf("a is %d\n", a);
 | |
| }
 | |
| 
 | |
| void test3() {
 | |
|   __block int k;
 | |
|   __block int (^j)(int);
 | |
|   ^{j=0; k=0;}(); // needs copy/dispose
 | |
| }
 | |
| 
 | |
| int test4() {
 | |
|   extern int g;
 | |
|   static int i = 1;
 | |
|   ^(int j){ i = j; g = 0; }(0); // does not need copy/dispose
 | |
|   return i + g;
 | |
| }
 | |
| 
 | |
| int g;
 | |
| 
 | |
| void test5() {
 | |
|   __block struct { int i; } i;
 | |
|   ^{ (void)i; }(); // needs copy/dispose
 | |
| }
 | |
| 
 | |
| void test6() {
 | |
|   __block int i;
 | |
|   ^{ i=1; }(); // needs copy/dispose
 | |
|   ^{}(); // does not need copy/dispose
 | |
| }
 | |
| 
 | |
| void test7() {
 | |
|   ^{ // does not need copy/dispose
 | |
|     __block int i;
 | |
|     ^{ i = 1; }(); // needs copy/dispose
 | |
|   }();
 | |
| }
 | |
| 
 | |
| int main() {
 | |
|   int rv = 0;
 | |
|   test1();
 | |
|   test2();
 | |
|   test3();
 | |
|   rv += test4();
 | |
|   test5();
 | |
|   return rv;
 | |
| }
 |